<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>数据可视化展示</title>
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    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        .hero {
            background: linear-gradient(135deg, #6e8efb, #a777e3);
            color: white;
        }
        .card {
            transition: all 0.3s ease;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .chart-container {
            background: white;
            border-radius: 12px;
            padding: 24px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .date-badge {
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(5px);
            border-radius: 20px;
            padding: 4px 12px;
            font-size: 0.8rem;
        }
        .grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .section-title {
            position: relative;
            padding-left: 16px;
        }
        .section-title:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 4px;
            background: linear-gradient(to bottom, #6e8efb, #a777e3);
            border-radius: 2px;
        }
    </style>
</head>
<body class="min-h-screen">
    <!-- Hero Section -->
    <section class="hero py-20 px-4 md:px-0">
        <div class="container mx-auto max-w-6xl px-4">
            <div class="flex flex-col md:flex-row items-center">
                <div class="md:w-1/2 mb-10 md:mb-0">
                    <h1 class="text-4xl md:text-5xl font-bold mb-4 font-serif">数据可视化展示</h1>
                    <p class="text-xl opacity-90 mb-8">探索信息之美，发现数据价值</p>
                    <div class="flex space-x-4">
                        <button class="bg-white text-indigo-600 px-6 py-2 rounded-full font-medium hover:bg-opacity-90 transition">开始探索</button>
                        <button class="border border-white text-white px-6 py-2 rounded-full font-medium hover:bg-white hover:bg-opacity-10 transition">了解更多</button>
                    </div>
                </div>
                <div class="md:w-1/2">
                    <div class="chart-container">
                        <div class="mermaid">
                            graph TD
                                A[数据源] --> B[数据清洗]
                                B --> C[数据分析]
                                C --> D[可视化呈现]
                                D --> E[洞察发现]
                                style A fill:#6e8efb,stroke:#333,color:#fff
                                style B fill:#a777e3,stroke:#333,color:#fff
                                style C fill:#6e8efb,stroke:#333,color:#fff
                                style D fill:#a777e3,stroke:#333,color:#fff
                                style E fill:#6e8efb,stroke:#333,color:#fff
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Main Content -->
    <main class="container mx-auto max-w-6xl px-4 py-12">
        <!-- Data Cards Section -->
        <section class="mb-20">
            <h2 class="text-3xl font-bold mb-8 section-title">数据卡片</h2>
            <div class="grid-layout">
                <!-- Card 1 -->
                <div class="card bg-white">
                    <img src="https://source.unsplash.com/random/600x400/?data,1" alt="数据图片" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="text-sm text-gray-500">数据更新</span>
                            <span class="date-badge text-xs">2025-07-25</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">数据集 #1</h3>
                        <p class="text-gray-600 mb-4">这是一组非常有价值的数据集，揭示了重要的行业趋势。</p>
                        <div class="flex justify-between items-center">
                            <span class="text-indigo-600 text-sm flex items-center">
                                <i class="fas fa-chart-line mr-1"></i> 分析图表
                            </span>
                            <button class="text-indigo-600 hover:text-indigo-800 transition">
                                <i class="fas fa-arrow-right"></i>
                            </button>
                        </div>
                    </div>
                </div>

                <!-- Card 2 -->
                <div class="card bg-white">
                    <img src="https://source.unsplash.com/random/600x400/?data,2" alt="数据图片" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="text-sm text-gray-500">数据更新</span>
                            <span class="date-badge text-xs">2025-07-25</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">数据集 #2</h3>
                        <p class="text-gray-600 mb-4">通过这组数据可以清晰地看到市场变化和用户行为模式。</p>
                        <div class="flex justify-between items-center">
                            <span class="text-indigo-600 text-sm flex items-center">
                                <i class="fas fa-chart-pie mr-1"></i> 饼图分析
                            </span>
                            <button class="text-indigo-600 hover:text-indigo-800 transition">
                                <i class="fas fa-arrow-right"></i>
                            </button>
                        </div>
                    </div>
                </div>

                <!-- Card 3 -->
                <div class="card bg-white">
                    <img src="https://source.unsplash.com/random/600x400/?data,3" alt="数据图片" class="w-full h-48 object-cover">
                    <div class="p-6">
                        <div class="flex justify-between items-center mb-3">
                            <span class="text-sm text-gray-500">数据更新</span>
                            <span class="date-badge text-xs">2025-07-25</span>
                        </div>
                        <h3 class="text-xl font-bold mb-2">数据集 #3</h3